Dev Builds » 20241222-1417

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:50:25 583596 3994 1543 525 1926 +90.55 ± 4.96 4 92 800 1084 17 +192.36 ± 12.01
ncm-dbt-02 06:51:26 586658 3996 1543 540 1913 +89.11 ± 4.89 0 100 806 1081 11 +189.23 ± 11.97
ncm-dbt-03 06:49:59 586935 4000 1524 570 1906 +84.49 ± 4.95 5 99 845 1039 12 +178.78 ± 11.67
ncm-dbt-04 06:51:31 570372 4014 1584 519 1911 +94.44 ± 4.87 2 83 787 1118 17 +201.75 ± 12.11
ncm-dbt-05 06:51:50 585534 3996 1536 513 1947 +90.97 ± 4.9 2 88 810 1081 17 +192.94 ± 11.93
20000 7730 2667 9603 +89.91 ± 2.2 13 462 4048 5403 74 +190.94 ± 5.34

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392289 ncm-dbt-04 569749 14 7 2 5 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
392288 ncm-dbt-05 583782 496 197 68 231 +92.48 ± 13.0 0 7 106 134 1 +198.4 ± 32.79
392287 ncm-dbt-02 586477 496 188 63 245 +89.49 ± 13.6 0 11 102 134 1 +190.85 ± 33.74
392286 ncm-dbt-01 583614 494 188 62 244 +90.62 ± 13.98 0 13 96 137 1 +193.67 ± 34.92
392285 ncm-dbt-03 585674 500 193 76 231 +82.84 ± 13.7 1 11 108 130 0 +178.11 ± 32.72
392284 ncm-dbt-04 568832 500 186 64 250 +86.52 ± 14.08 1 12 102 134 1 +185.33 ± 33.81
392283 ncm-dbt-02 582152 500 196 59 245 +97.69 ± 13.82 0 12 90 147 1 +211.87 ± 36.13
392282 ncm-dbt-01 580945 500 196 54 250 +101.46 ± 14.32 1 10 88 148 3 +219.87 ± 36.54
392281 ncm-dbt-05 582444 500 185 60 255 +88.74 ± 14.43 1 13 98 136 2 +189.0 ± 34.56
392280 ncm-dbt-03 586435 500 193 65 242 +90.96 ± 13.56 0 10 104 134 2 +192.71 ± 33.34
392279 ncm-dbt-04 570989 500 188 70 242 +83.57 ± 13.56 0 11 112 125 2 +174.55 ± 32.0
392278 ncm-dbt-02 588856 500 197 64 239 +94.69 ± 14.09 0 14 90 145 1 +204.07 ± 36.13
392277 ncm-dbt-01 581236 500 198 70 232 +90.97 ± 13.08 0 9 104 137 0 +196.45 ± 33.3
392276 ncm-dbt-05 585843 500 195 62 243 +94.7 ± 14.39 1 11 95 140 3 +202.15 ± 35.11
392275 ncm-dbt-03 587282 500 184 71 245 +79.9 ± 14.36 1 15 105 128 1 +169.27 ± 33.34
392274 ncm-dbt-04 570188 500 203 65 232 +98.44 ± 13.82 1 9 92 147 1 +215.85 ± 35.68
392273 ncm-dbt-01 583740 500 192 79 229 +79.9 ± 13.62 0 14 109 127 0 +169.27 ± 32.62
392272 ncm-dbt-05 588430 500 189 61 250 +90.96 ± 13.4 0 10 103 136 1 +194.57 ± 33.53
392271 ncm-dbt-02 586901 500 191 68 241 +87.26 ± 14.54 0 18 92 139 1 +185.33 ± 35.69
392270 ncm-dbt-03 586816 500 190 68 242 +86.52 ± 13.63 0 12 105 132 1 +183.51 ± 33.24
392269 ncm-dbt-04 569151 500 208 56 236 +109.07 ± 13.4 0 5 93 147 5 +234.38 ± 35.22
392268 ncm-dbt-01 582987 500 188 67 245 +85.78 ± 15.08 2 14 98 133 3 +181.7 ± 34.58
392267 ncm-dbt-05 586816 500 203 60 237 +102.22 ± 13.37 0 8 93 147 2 +221.9 ± 35.4
392266 ncm-dbt-02 585211 500 195 63 242 +93.95 ± 13.29 0 8 104 136 2 +200.24 ± 33.24
392265 ncm-dbt-03 586985 500 183 75 242 +76.25 ± 14.39 1 16 108 124 1 +160.64 ± 32.85
392264 ncm-dbt-04 571431 500 206 62 232 +102.97 ± 13.87 0 8 95 142 5 +217.85 ± 34.98
392263 ncm-dbt-01 583866 500 205 71 224 +95.44 ± 13.31 0 8 102 138 2 +204.07 ± 33.61
392262 ncm-dbt-05 580821 500 185 51 264 +95.44 ± 13.47 0 9 100 139 2 +204.07 ± 34.04
392261 ncm-dbt-02 588047 500 188 77 235 +78.43 ± 14.17 0 15 112 120 3 +160.64 ± 32.15
392260 ncm-dbt-03 585042 500 190 75 235 +81.37 ± 13.96 1 11 112 124 2 +171.02 ± 32.04
392259 ncm-dbt-04 569909 500 198 77 225 +85.78 ± 13.61 0 13 103 134 0 +183.51 ± 33.63
392258 ncm-dbt-01 583740 500 192 63 245 +91.71 ± 13.88 0 11 102 134 3 +192.71 ± 33.75
392257 ncm-dbt-05 587070 500 197 84 219 +79.9 ± 14.78 0 18 105 123 4 +162.35 ± 33.37
392256 ncm-dbt-02 587537 500 193 75 232 +83.57 ± 13.25 0 10 113 126 1 +176.33 ± 31.78
392255 ncm-dbt-03 587579 500 195 74 231 +85.78 ± 14.07 0 13 106 128 3 +178.11 ± 33.1
392254 ncm-dbt-04 571551 500 197 64 239 +94.69 ± 13.78 0 12 94 143 1 +204.07 ± 35.31
392253 ncm-dbt-01 588643 500 184 59 257 +88.74 ± 14.86 1 13 101 130 5 +183.51 ± 34.01
392252 ncm-dbt-02 588089 500 195 71 234 +88.0 ± 13.66 0 12 103 134 1 +187.16 ± 33.6
392251 ncm-dbt-05 589069 500 185 67 248 +83.57 ± 13.71 0 12 110 126 2 +174.55 ± 32.38
392250 ncm-dbt-04 571551 500 191 59 250 +93.95 ± 14.07 0 13 94 141 2 +200.24 ± 35.32
392249 ncm-dbt-03 589668 500 196 66 238 +92.46 ± 14.2 1 11 97 139 2 +198.34 ± 34.72

Commit

Commit ID ba145332c9f0b8126bd940ec5afbc7769ef43174
Author Daniel Monroe
Date 2024-12-22 14:17:55 UTC
Remove time reduction for recaptures Passed simplification STC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 54016 W: 14098 L: 13902 D: 26016 Ptnml(0-2): 165, 5797, 14919, 5931, 196 https://tests.stockfishchess.org/tests/view/6758a90486d5ee47d954201e Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 296940 W: 75631 L: 75689 D: 145620 Ptnml(0-2): 145, 28928, 90384, 28866, 147 https://tests.stockfishchess.org/tests/view/6758df7a86d5ee47d9542091 closes https://github.com/official-stockfish/Stockfish/pull/5719 Bench: 1148169
Copyright 2011–2025 Next Chess Move LLC